From 990892fcdec52229149d81781a7366243cf16253 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20Sch=C3=B6nberger?= <jsch@demuc.de>
Date: Thu, 21 May 2015 08:27:00 -0700
Subject: [PATCH] Replace libc.math.NAN with numpy.math.NAN for MSVC

---
 skimage/feature/_texture.pyx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/skimage/feature/_texture.pyx b/skimage/feature/_texture.pyx
index d454a812..d716e690 100644
--- a/skimage/feature/_texture.pyx
+++ b/skimage/feature/_texture.pyx
@@ -4,10 +4,14 @@
 #cython: wraparound=False
 import numpy as np
 cimport numpy as cnp
-from libc.math cimport sin, cos, abs, NAN
+from libc.math cimport sin, cos, abs
 from .._shared.interpolation cimport bilinear_interpolation, round
 
 
+cdef extern from "numpy/npy_math.h":
+    double NAN "NPY_NAN"
+
+
 def _glcm_loop(cnp.uint8_t[:, ::1] image, double[:] distances,
                double[:] angles, Py_ssize_t levels,
                cnp.uint32_t[:, :, :, ::1] out):